Hi Hans and Taco,
amsmath.sty defines \lvert and \rvert which provide correct spacing
when \vert is used as a left or a right delimiter (code at the end of
email). I do not completely understand what amsmath is trying to do.
Wouldn't
\definemathsymbol [lvert] [open] [sy] ["6A] [ex] ["0C]
\definemathsymbol [rvert] [close] [sy] ["6A] [ex] ["0C]
this achieve the same goal?
AMS code:
% \subsection{Vertical bar symbols}
% Add left/right specific versions of \cn{vert}, \cn{Vert}. Don't
% assume the delimiter codes are the CM defaults.
% \begin{macrocode}
[EMAIL PROTECTED]@nil{%
[EMAIL PROTECTED]@[EMAIL PROTECTED]
}
[EMAIL PROTECTED]@[EMAIL PROTECTED]@nil
[EMAIL PROTECTED]>\z@
[EMAIL PROTECTED] "4000000
[EMAIL PROTECTED] }
[EMAIL PROTECTED] "1000000
[EMAIL PROTECTED] }
\else
\ifx\@@undefined\lvert
% Fall back to cmex encoding since we don't know what else to do.
\DeclareMathDelimiter{\lvert}
{\mathopen}{symbols}{"6A}{largesymbols}{"0C}
\DeclareMathDelimiter{\rvert}
{\mathclose}{symbols}{"6A}{largesymbols}{"0C}
\fi
\fi
[EMAIL PROTECTED]@[EMAIL PROTECTED]@nil
[EMAIL PROTECTED]>\z@
[EMAIL PROTECTED] "4000000
[EMAIL PROTECTED] }
[EMAIL PROTECTED] "1000000
[EMAIL PROTECTED] }
\else
\ifx\@@undefined\lVert
\DeclareMathDelimiter{\lVert}
{\mathopen}{symbols}{"6B}{largesymbols}{"0D}
\DeclareMathDelimiter{\rVert}
{\mathclose}{symbols}{"6B}{largesymbols}{"0D}
\fi
\fi
Aditya
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